zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的代数 >

160t-16t^2=384

解答

160 t - 16 t^{2} = 384

解答

t = 4, t = 6

求解步骤

160 t - 16 t^{2} = 384

将

384

para o lado esquerdo

160 t - 16 t^{2} - 384 = 0

改写成标准形式

a x^{2} + b x + c = 0

- 16 t^{2} + 160 t - 384 = 0

使用求根公式求解

t_{1, 2} = \frac{- 160 \pm 16 0 ^{2} - 4 ( - 16 ) ( - 384 )}{2 ( - 16 )}

16 0^{2} - 4 (- 16) (- 384) = 32

t_{1, 2} = \frac{- 160 \pm 32}{2 ( - 16 )}

将解分隔开

t_{1} = \frac{- 160 + 32}{2 ( - 16 )}, t_{2} = \frac{- 160 - 32}{2 ( - 16 )}

t = \frac{- 160 + 32}{2 ( - 16 )} : 4

t = \frac{- 160 - 32}{2 ( - 16 )} : 6

二次方程组的解是:

t = 4, t = 6

作图

流行的例子

x^{2} + 2 x - 34 = 0

3 x^{2} + 9 x - 27 = 0

3(2x-3)^2-33=-3

3 (2 x - 3)^{2} - 33 = - 3

roo t s x^{2} + 8 x + 20

x^2= 2/3 x+16/3

x^{2} = \frac{2}{3} x + \frac{16}{3}